Github user dongjoon-hyun commented on the issue:
https://github.com/apache/spark/pull/22767
BTW, this patch have only the following author and it seems to be not
linked to GitHub.
```
Authored-by: Vladimir Kuriatkov <vladimir_kuriat...@epam.com>
Signed-off-by: Dongjoon Hyun <dongj...@apache.org>
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